Remove unused BulletSharp Scripts

GuidewireSimulation/GuidewireSimulation/Assets/Guidewire_Assets/Materials.meta

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GuidewireSimulation/GuidewireSimulation/Assets/Guidewire_Assets/Prefabs.meta

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GuidewireSimulation/GuidewireSimulation/Assets/Guidewire_Assets/Scenes.meta

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GuidewireSimulation/GuidewireSimulation/Assets/Guidewire_Assets/Scripts.meta

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